T4 Total

Test Code

Alias/See Also

Preferred Specimen

Minimum Volume

Draw blood in a serum gel tube. Spin down and send 1 mL of serum.

Transport Container

Transport Temperature
Room Temperature

Setup Schedule
Monday through Sunday

Reference Range
Both Genders, Age Range 2 Hours - 5 Days, Normal 12.00-21.00 mcg/dL
Both Genders, Age Range 3-12 Months, Normal 4.00-12.00 mcg/dL
Both Genders, Age Range 6 Days - 2 Months, Normal 4.00-16.00 mcg/dL
Male Gender, Age Range 13 Months - 999 Yeasr, Normal 4.50-12.10 mcg/dL
Female Gender, Age Range 13 Months - 999 Years, Normal 4.80-13.90 mcg/dL
Both Genders, Age Range 0-1 Hours, Normal 7.00-15.00 mcg/dL

Performed By

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.